Energy efficiency retrofits are a great way to reduce energy consumption and save money on energy bills. They involve making changes to existing buildings and systems to make them more energy efficient. This can include replacing old windows and doors, adding insulation, and upgrading heating and cooling systems. It can also involve replacing outdated appliances with more energy-efficient models. Retrofitting can be done on both residential and commercial buildings, and is an important part of making buildings more sustainable. By reducing energy consumption, retrofits can help reduce greenhouse gas emissions and help protect the environment. Additionally, retrofits can help reduce energy costs for homeowners and businesses, allowing them to save money on their energy bills. Energy efficiency retrofits are an important part of creating a more sustainable future, and can help us all do our part to reduce our environmental impact.